// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.

// OpenEthereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// OpenEthereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with OpenEthereum.  If not, see <http://www.gnu.org/licenses/>.

use std::{
    collections::HashMap,
    str::FromStr,
    sync::Arc,
    time::{Duration, Instant, SystemTime, UNIX_EPOCH},
};

use accounts::AccountProvider;
use ethcore::{
    client::{BlockChainClient, EachBlockWith, Executed, TestBlockChainClient},
    miner::{self, MinerService},
};
use ethereum_types::{Address, Bloom, H160, H256, U256};
use miner::external::ExternalMiner;
use parity_runtime::Runtime;
use parking_lot::Mutex;
use rustc_hex::{FromHex, ToHex};
use sync::SyncState;
use types::{
    ids::{BlockId, TransactionId},
    log_entry::{LocalizedLogEntry, LogEntry},
    receipt::{LocalizedReceipt, RichReceipt, TransactionOutcome},
    transaction::{Action, Transaction, TypedTransaction, TypedTxId},
};

use jsonrpc_core::IoHandler;
use v1::{
    metadata::Metadata,
    tests::helpers::{Config, TestMinerService, TestSnapshotService, TestSyncProvider},
    Eth, EthClient, EthClientOptions, EthFilter, EthFilterClient,
};

fn blockchain_client() -> Arc<TestBlockChainClient> {
    let client = TestBlockChainClient::new();
    Arc::new(client)
}

fn accounts_provider() -> Arc<AccountProvider> {
    Arc::new(AccountProvider::transient_provider())
}

fn sync_provider() -> Arc<TestSyncProvider> {
    Arc::new(TestSyncProvider::new(Config {
        network_id: 3,
        num_peers: 120,
    }))
}

fn miner_service() -> Arc<TestMinerService> {
    Arc::new(TestMinerService::default())
}

fn snapshot_service() -> Arc<TestSnapshotService> {
    Arc::new(TestSnapshotService::new())
}

struct EthTester {
    pub runtime: Runtime,
    pub client: Arc<TestBlockChainClient>,
    pub sync: Arc<TestSyncProvider>,
    pub accounts_provider: Arc<AccountProvider>,
    pub miner: Arc<TestMinerService>,
    pub snapshot: Arc<TestSnapshotService>,
    hashrates: Arc<Mutex<HashMap<H256, (Instant, U256)>>>,
    pub io: IoHandler<Metadata>,
}

impl Default for EthTester {
    fn default() -> Self {
        Self::new_with_options(Default::default())
    }
}

impl EthTester {
    pub fn new_with_options(options: EthClientOptions) -> Self {
        let runtime = Runtime::with_thread_count(1);
        let client = blockchain_client();
        let sync = sync_provider();
        let ap = accounts_provider();
        let ap2 = ap.clone();
        let opt_ap = Arc::new(move || ap2.accounts().unwrap_or_default()) as _;
        let miner = miner_service();
        let snapshot = snapshot_service();
        let hashrates = Arc::new(Mutex::new(HashMap::new()));
        let external_miner = Arc::new(ExternalMiner::new(hashrates.clone()));
        let eth = EthClient::new(
            &client,
            &snapshot,
            &sync,
            &opt_ap,
            &miner,
            &external_miner,
            options,
        )
        .to_delegate();
        let filter = EthFilterClient::new(client.clone(), miner.clone(), 60).to_delegate();

        let mut io: IoHandler<Metadata> = IoHandler::default();
        io.extend_with(eth);
        io.extend_with(filter);

        EthTester {
            runtime,
            client,
            sync,
            accounts_provider: ap,
            miner,
            snapshot,
            io,
            hashrates,
        }
    }

    pub fn add_blocks(&self, count: usize, with: EachBlockWith) {
        self.client.add_blocks(count, with);
        self.sync.increase_imported_block_number(count as u64);
    }
}

#[test]
fn rpc_eth_protocol_version() {
    let request = r#"{"jsonrpc": "2.0", "method": "eth_protocolVersion", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":"64","id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_syncing() {
    use ethcore::snapshot::RestorationStatus;

    let request = r#"{"jsonrpc": "2.0", "method": "eth_syncing", "params": [], "id": 1}"#;

    let tester = EthTester::default();

    let false_res = r#"{"jsonrpc":"2.0","result":false,"id":1}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(false_res.to_owned())
    );

    {
        let mut status = tester.sync.status.write();
        status.state = SyncState::Blocks;
        status.highest_block_number = Some(2500);
    }

    // "sync" to 1000 blocks.
    // causes TestBlockChainClient to return 1000 for its best block number.
    tester.add_blocks(1000, EachBlockWith::Nothing);

    let true_res = r#"{"jsonrpc":"2.0","result":{"currentBlock":"0x3e8","highestBlock":"0x9c4","startingBlock":"0x0","warpChunksAmount":null,"warpChunksProcessed":null},"id":1}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(true_res.to_owned())
    );

    *tester.client.ancient_block.write() = None;
    *tester.client.first_block.write() = None;

    let snap_res = r#"{"jsonrpc":"2.0","result":{"currentBlock":"0x3e8","highestBlock":"0x9c4","startingBlock":"0x0","warpChunksAmount":"0x32","warpChunksProcessed":"0x18"},"id":1}"#;
    tester.snapshot.set_status(RestorationStatus::Ongoing {
        block_number: 0,
        state_chunks: 40,
        block_chunks: 10,
        state_chunks_done: 18,
        block_chunks_done: 6,
    });

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(snap_res.to_owned())
    );

    tester.snapshot.set_status(RestorationStatus::Inactive);

    // finish "syncing"
    tester.add_blocks(1500, EachBlockWith::Nothing);

    {
        let mut status = tester.sync.status.write();
        status.state = SyncState::Idle;
    }

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(false_res.to_owned())
    );
}

#[test]
fn rpc_eth_chain_id() {
    let tester = EthTester::default();
    let request = r#"{"jsonrpc": "2.0", "method": "eth_chainId", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":null,"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_hashrate() {
    let tester = EthTester::default();
    tester.hashrates.lock().insert(
        H256::from_low_u64_be(0),
        (Instant::now() + Duration::from_secs(2), U256::from(0xfffa)),
    );
    tester.hashrates.lock().insert(
        H256::from_low_u64_be(0),
        (Instant::now() + Duration::from_secs(2), U256::from(0xfffb)),
    );
    tester.hashrates.lock().insert(
        H256::from_low_u64_be(1),
        (Instant::now() + Duration::from_secs(2), U256::from(0x1)),
    );

    let request = r#"{"jsonrpc": "2.0", "method": "eth_hashrate", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0xfffc","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_logs() {
    let tester = EthTester::default();
    tester.client.set_logs(vec![
        LocalizedLogEntry {
            block_number: 1,
            block_hash: H256::default(),
            entry: LogEntry {
                address: Address::default(),
                topics: vec![],
                data: vec![1, 2, 3],
            },
            transaction_index: 0,
            transaction_log_index: 0,
            transaction_hash: H256::default(),
            log_index: 0,
        },
        LocalizedLogEntry {
            block_number: 1,
            block_hash: H256::default(),
            entry: LogEntry {
                address: Address::default(),
                topics: vec![],
                data: vec![1, 2, 3],
            },
            transaction_index: 0,
            transaction_log_index: 1,
            transaction_hash: H256::default(),
            log_index: 1,
        },
    ]);

    let request1 = r#"{"jsonrpc": "2.0", "method": "eth_getLogs", "params": [{}], "id": 1}"#;
    let request2 =
        r#"{"jsonrpc": "2.0", "method": "eth_getLogs", "params": [{"limit":1}], "id": 1}"#;
    let request3 =
        r#"{"jsonrpc": "2.0", "method": "eth_getLogs", "params": [{"limit":0}], "id": 1}"#;

    let response1 = r#"{"jsonrpc":"2.0","result":[{"address":"0x0000000000000000000000000000000000000000","blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","blockNumber":"0x1","data":"0x010203","logIndex":"0x0","removed":false,"topics":[],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x0","type":"mined"},{"address":"0x0000000000000000000000000000000000000000","blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","blockNumber":"0x1","data":"0x010203","logIndex":"0x1","removed":false,"topics":[],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x1","type":"mined"}],"id":1}"#;
    let response2 = r#"{"jsonrpc":"2.0","result":[{"address":"0x0000000000000000000000000000000000000000","blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","blockNumber":"0x1","data":"0x010203","logIndex":"0x1","removed":false,"topics":[],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x1","type":"mined"}],"id":1}"#;
    let response3 = r#"{"jsonrpc":"2.0","result":[],"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request1),
        Some(response1.to_owned())
    );
    assert_eq!(
        tester.io.handle_request_sync(request2),
        Some(response2.to_owned())
    );
    assert_eq!(
        tester.io.handle_request_sync(request3),
        Some(response3.to_owned())
    );
}

#[test]
fn rpc_eth_logs_error() {
    fn h256_from_digit_be(d: u8) -> H256 {
        let mut bytes = [0u8; 32];
        bytes[0] = d;
        H256(bytes)
    }

    let tester = EthTester::default();
    tester
        .client
        .set_error_on_logs(Some(BlockId::Hash(h256_from_digit_be(5))));
    let request = r#"{"jsonrpc": "2.0", "method": "eth_getLogs", "params": [{"limit":1,"blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32000,"message":"One of the blocks specified in filter (fromBlock, toBlock or blockHash) cannot be found","data":"0x0500000000000000000000000000000000000000000000000000000000000000"},"id":1}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_logs_filter() {
    let tester = EthTester::default();
    // Set some logs
    tester.client.set_logs(vec![
        LocalizedLogEntry {
            block_number: 1,
            block_hash: H256::default(),
            entry: LogEntry {
                address: Address::default(),
                topics: vec![],
                data: vec![1, 2, 3],
            },
            transaction_index: 0,
            transaction_log_index: 0,
            transaction_hash: H256::default(),
            log_index: 0,
        },
        LocalizedLogEntry {
            block_number: 1,
            block_hash: H256::default(),
            entry: LogEntry {
                address: Address::default(),
                topics: vec![],
                data: vec![1, 2, 3],
            },
            transaction_index: 0,
            transaction_log_index: 1,
            transaction_hash: H256::default(),
            log_index: 1,
        },
    ]);

    // Register filters first
    let request_default =
        r#"{"jsonrpc": "2.0", "method": "eth_newFilter", "params": [{}], "id": 1}"#;
    let request_limit =
        r#"{"jsonrpc": "2.0", "method": "eth_newFilter", "params": [{"limit":1}], "id": 1}"#;
    let response1 = r#"{"jsonrpc":"2.0","result":"0x0","id":1}"#;
    let response2 = r#"{"jsonrpc":"2.0","result":"0x1","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request_default),
        Some(response1.to_owned())
    );
    assert_eq!(
        tester.io.handle_request_sync(request_limit),
        Some(response2.to_owned())
    );

    let request_changes1 =
        r#"{"jsonrpc": "2.0", "method": "eth_getFilterChanges", "params": ["0x0"], "id": 1}"#;
    let request_changes2 =
        r#"{"jsonrpc": "2.0", "method": "eth_getFilterChanges", "params": ["0x1"], "id": 1}"#;
    let response1 = r#"{"jsonrpc":"2.0","result":[{"address":"0x0000000000000000000000000000000000000000","blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","blockNumber":"0x1","data":"0x010203","logIndex":"0x0","removed":false,"topics":[],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x0","type":"mined"},{"address":"0x0000000000000000000000000000000000000000","blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","blockNumber":"0x1","data":"0x010203","logIndex":"0x1","removed":false,"topics":[],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x1","type":"mined"}],"id":1}"#;
    let response2 = r#"{"jsonrpc":"2.0","result":[{"address":"0x0000000000000000000000000000000000000000","blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","blockNumber":"0x1","data":"0x010203","logIndex":"0x1","removed":false,"topics":[],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x1","type":"mined"}],"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request_changes1),
        Some(response1.to_owned())
    );
    assert_eq!(
        tester.io.handle_request_sync(request_changes2),
        Some(response2.to_owned())
    );
}

#[test]
fn rpc_blocks_filter() {
    let tester = EthTester::default();
    let request_filter = r#"{"jsonrpc": "2.0", "method": "eth_newBlockFilter", "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x0","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request_filter),
        Some(response.to_owned())
    );

    let request_changes =
        r#"{"jsonrpc": "2.0", "method": "eth_getFilterChanges", "params": ["0x0"], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":[],"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request_changes),
        Some(response.to_owned())
    );

    tester.client.add_blocks(2, EachBlockWith::Nothing);

    let hash1 = tester.client.block_hash(BlockId::Number(1)).unwrap();
    let hash2 = tester.client.block_hash(BlockId::Number(2)).unwrap();
    let response = format!(
        r#"{{"jsonrpc":"2.0","result":["0x{:x}","0x{:x}"],"id":1}}"#,
        hash1, hash2
    );

    assert_eq!(
        tester.io.handle_request_sync(request_changes),
        Some(response.to_owned())
    );

    // in the case of a re-org we get same block number if hash is different - BlockId::Number(2)
    tester.client.blocks.write().remove(&hash2).unwrap();
    tester.client.numbers.write().remove(&2).unwrap();
    *tester.client.last_hash.write() = hash1;
    tester.client.add_blocks(2, EachBlockWith::Uncle);

    let request_changes =
        r#"{"jsonrpc": "2.0", "method": "eth_getFilterChanges", "params": ["0x0"], "id": 2}"#;
    let response = format!(
        r#"{{"jsonrpc":"2.0","result":["0x{:x}","0x{:x}"],"id":2}}"#,
        tester.client.block_hash(BlockId::Number(2)).unwrap(),
        tester.client.block_hash(BlockId::Number(3)).unwrap()
    );

    assert_eq!(
        tester.io.handle_request_sync(request_changes),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_submit_hashrate() {
    let tester = EthTester::default();

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_submitHashrate",
		"params": [
			"0x0000000000000000000000000000000000000000000000000000000000500000",
			"0x59daa26581d0acd1fce254fb7e85952f4c09d0915afd33d3886cd914bc7d283c"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
    assert_eq!(
        tester
            .hashrates
            .lock()
            .get(
                &H256::from_str("59daa26581d0acd1fce254fb7e85952f4c09d0915afd33d3886cd914bc7d283c")
                    .unwrap()
            )
            .cloned()
            .unwrap()
            .1,
        U256::from(0x500_000)
    );
}

#[test]
fn rpc_eth_author() {
    let make_res = |addr| {
        r#"{"jsonrpc":"2.0","result":""#.to_owned() + &format!("0x{:x}", addr) + r#"","id":1}"#
    };
    let tester = EthTester::default();

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_coinbase",
		"params": [],
		"id": 1
	}"#;

    let response = r#"{"jsonrpc":"2.0","error":{"code":-32023,"message":"No accounts were found","data":"\"\""},"id":1}"#;

    // No accounts - returns an error indicating that no accounts were found
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_string())
    );

    // Account set - return first account
    let addr = tester.accounts_provider.new_account(&"123".into()).unwrap();
    assert_eq!(tester.io.handle_request_sync(request), Some(make_res(addr)));

    for i in 0..20 {
        let addr = tester
            .accounts_provider
            .new_account(&format!("{}", i).into())
            .unwrap();
        tester.miner.set_author(miner::Author::External(addr));

        assert_eq!(tester.io.handle_request_sync(request), Some(make_res(addr)));
    }
}

#[test]
fn rpc_eth_mining() {
    let tester = EthTester::default();
    tester.miner.set_author(miner::Author::External(
        Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap(),
    ));

    let request = r#"{"jsonrpc": "2.0", "method": "eth_mining", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":false,"id":1}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_gas_price() {
    let request = r#"{"jsonrpc": "2.0", "method": "eth_gasPrice", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x4a817c800","id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_accounts() {
    let tester = EthTester::default();
    let address = tester.accounts_provider.new_account(&"".into()).unwrap();
    tester
        .accounts_provider
        .set_address_name(Address::from_low_u64_be(1), "1".into());
    tester
        .accounts_provider
        .set_address_name(Address::from_low_u64_be(10), "10".into());

    // with current policy it should return the account
    let request = r#"{"jsonrpc": "2.0", "method": "eth_accounts", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":[""#.to_owned()
        + &format!("0x{:x}", address)
        + r#""],"id":1}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_block_number() {
    let tester = EthTester::default();
    tester.client.add_blocks(10, EachBlockWith::Nothing);

    let request = r#"{"jsonrpc": "2.0", "method": "eth_blockNumber", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0xa","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_balance() {
    let tester = EthTester::default();
    tester
        .client
        .set_balance(Address::from_low_u64_be(1), U256::from(5));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getBalance",
		"params": ["0x0000000000000000000000000000000000000001", "latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x5","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_balance_pending() {
    let tester = EthTester::default();
    tester
        .client
        .set_balance(Address::from_low_u64_be(1), U256::from(5));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getBalance",
		"params": ["0x0000000000000000000000000000000000000001", "pending"],
		"id": 1
	}"#;

    let response = r#"{"jsonrpc":"2.0","result":"0x5","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_storage_at() {
    let tester = EthTester::default();
    tester.client.set_storage(
        Address::from_low_u64_be(1),
        H256::from_low_u64_be(4),
        H256::from_low_u64_be(7),
    );

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getStorageAt",
		"params": ["0x0000000000000000000000000000000000000001", "0x4", "latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x0000000000000000000000000000000000000000000000000000000000000007","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_transaction_count() {
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getTransactionCount",
		"params": ["0x0000000000000000000000000000000000000001", "latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x0","id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_block_transaction_count_by_hash() {
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getBlockTransactionCountByHash",
		"params": ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":null,"id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_transaction_count_by_number() {
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getBlockTransactionCountByNumber",
		"params": ["latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x0","id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_transaction_count_by_number_pending() {
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getBlockTransactionCountByNumber",
		"params": ["pending"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x0","id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_pending_transaction_by_hash() {
    use ethereum_types::H256;
    use types::transaction::SignedTransaction;

    let tester = EthTester::default();
    {
        let bytes = FromHex::from_hex("f85f800182520894095e7baea6a6c7c4c2dfeb977efac326af552d870a801ba048b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353a0efffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804").unwrap();
        let tx = TypedTransaction::decode(&bytes).expect("decoding failure");
        let tx = SignedTransaction::new(tx).unwrap();
        tester
            .miner
            .pending_transactions
            .lock()
            .insert(H256::zero(), tx);
    }

    let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"chainId":null,"condition":null,"creates":null,"from":"0x0f65fe9276bc9a24ae7083ae28e2660ef72df99e","gas":"0x5208","gasPrice":"0x1","hash":"0x41df922fd0d4766fcc02e161f8295ec28522f329ae487f14d811e4b64c8d6e31","input":"0x","nonce":"0x0","publicKey":"0x7ae46da747962c2ee46825839c1ef9298e3bd2e70ca2938495c3693a485ec3eaa8f196327881090ff64cf4fbb0a48485d4f83098e189ed3b7a87d5941b59f789","r":"0x48b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353","raw":"0xf85f800182520894095e7baea6a6c7c4c2dfeb977efac326af552d870a801ba048b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353a0efffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804","s":"0xefffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804","standardV":"0x0","to":"0x095e7baea6a6c7c4c2dfeb977efac326af552d87","transactionIndex":null,"v":"0x1b","value":"0xa"},"id":1}"#;
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getTransactionByHash",
		"params": ["0x0000000000000000000000000000000000000000000000000000000000000000"],
		"id": 1
	}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_uncle_count_by_block_hash() {
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getUncleCountByBlockHash",
		"params": ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":null,"id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_uncle_count_by_block_number() {
    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getUncleCountByBlockNumber",
		"params": ["latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x0","id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_code() {
    let tester = EthTester::default();
    tester
        .client
        .set_code(Address::from_low_u64_be(1), vec![0xff, 0x21]);

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getCode",
		"params": ["0x0000000000000000000000000000000000000001", "latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0xff21","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_call_latest() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_call",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		},
		"latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x1234ff","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_call_pending() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_call",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		},
		"pending"],
		"id": 1
	}"#;
    // Falls back to "Latest" and gives the same result.
    let response = r#"{"jsonrpc":"2.0","result":"0x1234ff","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_call() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_call",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		},
		"0x0"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x1234ff","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_call_default_block() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_call",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		}],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x1234ff","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_estimate_gas() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_estimateGas",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		},
		"latest"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x5208","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_estimate_gas_pending() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_estimateGas",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		},
		"pending"],
		"id": 1
	}"#;
    // Falls back to "Latest" so the result is the same
    let response = r#"{"jsonrpc":"2.0","result":"0x5208","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_estimate_gas_default_block() {
    let tester = EthTester::default();
    tester.client.set_execution_result(Ok(Executed {
        exception: None,
        gas: U256::zero(),
        gas_used: U256::from(0xff30),
        refunded: U256::from(0x5),
        cumulative_gas_used: U256::zero(),
        logs: vec![],
        contracts_created: vec![],
        output: vec![0x12, 0x34, 0xff],
        trace: vec![],
        vm_trace: None,
        state_diff: None,
    }));

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_estimateGas",
		"params": [{
			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
			"gas": "0x76c0",
			"gasPrice": "0x9184e72a000",
			"value": "0x9184e72a",
			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
		}],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":"0x5208","id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_send_raw_transaction_error() {
    let tester = EthTester::default();

    let req = r#"{
		"jsonrpc": "2.0",
		"method": "eth_sendRawTransaction",
		"params": [
			"0x1123"
		],
		"id": 1
	}"#;
    let res = r#"{"jsonrpc":"2.0","error":{"code":-32602,"message":"Invalid RLP.","data":"Custom(\"Unknown transaction\")"},"id":1}"#.into();

    assert_eq!(tester.io.handle_request_sync(&req), Some(res));
}

#[test]
fn rpc_eth_send_raw_01_transaction_error() {
    let tester = EthTester::default();

    let req = r#"{
		"jsonrpc": "2.0",
		"method": "eth_sendRawTransaction",
		"params": [
			"0x0123"
		],
		"id": 1
	}"#;
    let res = r#"{"jsonrpc":"2.0","error":{"code":-32602,"message":"Invalid RLP.","data":"RlpExpectedToBeList"},"id":1}"#.into();

    assert_eq!(tester.io.handle_request_sync(&req), Some(res));
}

#[test]
fn rpc_eth_send_raw_transaction() {
    let tester = EthTester::default();
    let address = tester
        .accounts_provider
        .new_account(&"abcd".into())
        .unwrap();
    tester
        .accounts_provider
        .unlock_account_permanently(address, "abcd".into())
        .unwrap();

    let t = TypedTransaction::Legacy(Transaction {
        nonce: U256::zero(),
        gas_price: U256::from(0x9184e72a000u64),
        gas: U256::from(0x76c0),
        action: Action::Call(
            Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap(),
        ),
        value: U256::from(0x9184e72au64),
        data: vec![],
    });
    let signature = tester
        .accounts_provider
        .sign(address, None, t.signature_hash(None))
        .unwrap();
    let t = t.with_signature(signature, None);

    let rlp = t.encode().to_hex();

    let req = r#"{
		"jsonrpc": "2.0",
		"method": "eth_sendRawTransaction",
		"params": [
			"0x"#
        .to_owned()
        + &rlp
        + r#""
		],
		"id": 1
	}"#;

    let res =
        r#"{"jsonrpc":"2.0","result":""#.to_owned() + &format!("0x{:x}", t.hash()) + r#"","id":1}"#;

    assert_eq!(tester.io.handle_request_sync(&req), Some(res));
}

#[test]
fn rpc_eth_transaction_receipt() {
    let receipt = LocalizedReceipt {
        from: H160::from_str("b60e8dd61c5d32be8058bb8eb970870f07233155").unwrap(),
        to: Some(H160::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap()),
        transaction_hash: H256::zero(),
        transaction_index: 0,
        transaction_type: TypedTxId::Legacy,
        block_hash: H256::from_str(
            "ed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5",
        )
        .unwrap(),
        block_number: 0x4510c,
        cumulative_gas_used: U256::from(0x20),
        gas_used: U256::from(0x10),
        contract_address: None,
        logs: vec![LocalizedLogEntry {
            entry: LogEntry {
                address: Address::from_str("33990122638b9132ca29c723bdf037f1a891a70c").unwrap(),
                topics: vec![
                    H256::from_str(
                        "a6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc",
                    )
                    .unwrap(),
                    H256::from_str(
                        "4861736852656700000000000000000000000000000000000000000000000000",
                    )
                    .unwrap(),
                ],
                data: vec![],
            },
            block_hash: H256::from_str(
                "ed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5",
            )
            .unwrap(),
            block_number: 0x4510c,
            transaction_hash: H256::default(),
            transaction_index: 0,
            transaction_log_index: 0,
            log_index: 1,
        }],
        log_bloom: Bloom::zero(),
        outcome: TransactionOutcome::StateRoot(H256::zero()),
    };

    let hash =
        H256::from_str("b903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238").unwrap();
    let tester = EthTester::default();
    tester
        .client
        .set_transaction_receipt(TransactionId::Hash(hash), receipt);

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getTransactionReceipt",
		"params": ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":{"blockHash":"0xed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5","blockNumber":"0x4510c","contractAddress":null,"cumulativeGasUsed":"0x20","from":"0xb60e8dd61c5d32be8058bb8eb970870f07233155","gasUsed":"0x10","logs":[{"address":"0x33990122638b9132ca29c723bdf037f1a891a70c","blockHash":"0xed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5","blockNumber":"0x4510c","data":"0x","logIndex":"0x1","removed":false,"topics":["0xa6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc","0x4861736852656700000000000000000000000000000000000000000000000000"],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","transactionLogIndex":"0x0","type":"mined"}],"logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","root":"0x0000000000000000000000000000000000000000000000000000000000000000","to":"0xd46e8dd67c5d32be8058bb8eb970870f07244567","transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0"},"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_transaction_receipt_null() {
    let tester = EthTester::default();

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getTransactionReceipt",
		"params": ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":null,"id":1}"#;

    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_eth_pending_receipt() {
    let pending = RichReceipt {
        from: H160::from_str("b60e8dd61c5d32be8058bb8eb970870f07233155").unwrap(),
        to: Some(H160::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap()),
        transaction_hash: H256::from_str(
            "b903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238",
        )
        .unwrap(),
        transaction_index: 0,
        transaction_type: TypedTxId::Legacy,
        cumulative_gas_used: U256::from(0x20),
        gas_used: U256::from(0x10),
        contract_address: None,
        logs: Vec::new(),
        log_bloom: Bloom::zero(),
        outcome: TransactionOutcome::Unknown,
    };
    let tester = EthTester::default();

    tester.miner.pending_receipts.lock().push(pending);

    let request = r#"{
		"jsonrpc": "2.0",
		"method": "eth_getTransactionReceipt",
		"params": ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],
		"id": 1
	}"#;
    let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"contractAddress":null,"cumulativeGasUsed":"0x20","from":"0xb60e8dd61c5d32be8058bb8eb970870f07233155","gasUsed":"0x10","logs":[],"logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","to":"0xd46e8dd67c5d32be8058bb8eb970870f07244567","transactionHash":"0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238","transactionIndex":"0x0"},"id":1}"#;
    assert_eq!(
        tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

// These tests are incorrect: their output is undefined as long as eth_getCompilers is [].
// Will ignore for now, but should probably be replaced by more substantial tests which check
// the output of eth_getCompilers to determine whether to test. CI systems can then be preinstalled
// with solc/serpent/lllc and they'll be proper again.
#[ignore]
#[test]
fn rpc_eth_compilers() {
    let request = r#"{"jsonrpc": "2.0", "method": "eth_getCompilers", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32070,"message":"Method deprecated","data":"Compilation functionality is deprecated."},"id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[ignore]
#[test]
fn rpc_eth_compile_lll() {
    let request = r#"{"jsonrpc": "2.0", "method": "eth_compileLLL", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32070,"message":"Method deprecated","data":"Compilation of LLL via RPC is deprecated"},"id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[ignore]
#[test]
fn rpc_eth_compile_solidity() {
    let request = r#"{"jsonrpc": "2.0", "method": "eth_compileSolidity", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32070,"message":"Method deprecated","data":"Compilation of Solidity via RPC is deprecated"},"id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[ignore]
#[test]
fn rpc_eth_compile_serpent() {
    let request = r#"{"jsonrpc": "2.0", "method": "eth_compileSerpent", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32070,"message":"Method deprecated","data":"Compilation of Serpent via RPC is deprecated"},"id":1}"#;

    assert_eq!(
        EthTester::default().io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_get_work_returns_no_work_if_cant_mine() {
    let eth_tester = EthTester::default();
    eth_tester.client.set_queue_size(10);

    let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","error":{"code":-32001,"message":"Still syncing."},"id":1}"#;

    assert_eq!(
        eth_tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_get_work_returns_correct_work_package() {
    let eth_tester = EthTester::default();
    eth_tester.miner.set_author(miner::Author::External(
        Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap(),
    ));

    let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
    let response = r#"{"jsonrpc":"2.0","result":["0x76c7bd86693aee93d1a80a408a09a0585b1a1292afcb56192f171d925ea18e2d","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000","0x1"],"id":1}"#;

    assert_eq!(
        eth_tester.io.handle_request_sync(request),
        Some(response.to_owned())
    );
}

#[test]
fn rpc_get_work_should_timeout() {
    let eth_tester = EthTester::default();
    eth_tester.miner.set_author(miner::Author::External(
        Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap(),
    ));
    let timestamp = SystemTime::now()
        .duration_since(UNIX_EPOCH)
        .unwrap()
        .as_secs()
        - 1000; // Set latest block to 1000 seconds ago
    eth_tester.client.set_latest_block_timestamp(timestamp);
    let hash = eth_tester
        .miner
        .work_package(&*eth_tester.client)
        .unwrap()
        .0;

    // Request without providing timeout. This should work since we're disabling timeout.
    let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
    let work_response = format!(
        r#"{{"jsonrpc":"2.0","result":["0x{:x}","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000","0x1"],"id":1}}"#,
        hash,
    );
    assert_eq!(
        eth_tester.io.handle_request_sync(request),
        Some(work_response.to_owned())
    );

    // Request with timeout of 0 seconds. This should work since we're disabling timeout.
    let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [0], "id": 1}"#;
    let work_response = format!(
        r#"{{"jsonrpc":"2.0","result":["0x{:x}","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000","0x1"],"id":1}}"#,
        hash,
    );
    assert_eq!(
        eth_tester.io.handle_request_sync(request),
        Some(work_response.to_owned())
    );

    // Request with timeout of 10K seconds. This should work.
    let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [10000], "id": 1}"#;
    assert_eq!(
        eth_tester.io.handle_request_sync(request),
        Some(work_response.to_owned())
    );

    // Request with timeout of 10 seconds. This should fail.
    let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [10], "id": 1}"#;
    let err_response =
        r#"{"jsonrpc":"2.0","error":{"code":-32003,"message":"Work has not changed."},"id":1}"#;
    assert_eq!(
        eth_tester.io.handle_request_sync(request),
        Some(err_response.to_owned())
    );
}
